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Dutch Experience With Hot Windbox Repowering FREE

[+] Author Affiliations
P. J. Ploumen

KEMA

J. J. Veenema

N. V. EPON

Paper No. 96-GT-250, pp. V004T10A013; 8 pages
doi:10.1115/96-GT-250
From:
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7875-0
  • Copyright © 1996 by ASME

abstract

The combination of a topping Brayton (gas turbine) cycle with an existing Rankine (boiler-steam turbine) cycle for improved overall cycle heat rate has been very successful in the Netherlands.

In the years 1985–1989 10 gas-fired power plants with a capacity of nearly 4000 MW were substantially modernized by adding a gas turbine topping cycle.

In all these cases the Hot Wind box repowering or Windbox repowering with a supplementary boiler option was chosen.

Besides the improvement of the heat rate it was remarkable that a NOx-emission reduction was achieved between 50 and 85%.

So far more than 500,000 hours experience with hot windbox is available.

If NOx-reduction becomes very important windbox repowering is the best option to modernize power plants.

Copyright © 1996 by ASME
This article is only available in the PDF format.

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